The Role of Arbuscular Mycorrhizas in Organic Farming

Author(s):  
Megan H. Ryan ◽  
Mark Tibbett
2017 ◽  
Vol 7 (4) ◽  
pp. 388-392
Author(s):  
D. A. Durnikin ◽  
O. Y. Voronkova ◽  
V. A. Kundius ◽  
L. I. Petrova

<p>In the article, a comprehensive evaluation of the role of organic farming in the formation of the crop and the nutritional value of perspective varieties cultivated within the climatic zone of Western Siberia is considered. The most favorable conditions for growing potatoes in the Altai Region of the Western Siberia are compared with other regions of Russia and those of foreign countries.<br />In the southern and southeastern regions of the Altai region, where the formation of tubers coincides with the hot period of the first half of summer, the high soil temperature negatively affects the eyes of the tubers. Therefore, the seed material here rapidly degenerates. To avoid this, summer potatoes are planted. Irrigation ensures high and stable potato yields irrespective of weather conditions. Moisture content of soil during the period from planting potatoes to shoots should be maintained at the level of 65-70 per cent, in the budding and flowering phases - of 75-85 per cent and during the period from the beginning of wilting of potato tops – of 60-65 per cent. The number of irrigations, their terms and standards, are determined by taking into account soil-climatic conditions, the phase of plant development and the application area of a crop.<br />The most effective irrigation method is sprinkling. The irrigation norm ranges from 500 to 800 m3 per hectare. On irrigated lands, plowing of potato fields is carried out necessarily with a soil cultivator, preventing the formation of a plow pan. Rows are located across the slope, or angle-wise. After watering space between rows are loosened (on heavy soils also before watering). During irrigation process it is necessary to apply higher quantities of organic and mineral fertilizers and to carry out a set of measures to control weeds, pests and diseases of potatoes.<br /><br /></p>


2022 ◽  
pp. 101852912110652
Author(s):  
Devpriya Sarkar

In 2015, Sikkim, a North-Eastern state of India, achieved the state of being fully organic. Later, states like Nagaland, Mizoram, Meghalaya, Goa and Kerala have declared their intentions to be fully organic. In Nagaland, more than 47% of the population is engaged in agriculture and entirely dependent on the traditional mode of farming and has used organic manure like cattle dung, dried leaves-litter and crop residues for enhancing the capacity of soil from time immemorial. Also, studies have shown that the state of Nagaland has negligible use of inorganic supplements in their fields. Thus, Nagaland has a high potential to be converted into an organic state without making any significant shifts in their existing farming practices. Shifting cultivation, locally known as Jhum-kheti, is one of the oldest forms of the agricultural process in practice in Nagaland. However, some studies regard Jhum cultivation as harmful to the environment, but there is a scope to reinvent this farming method and move towards a more sustainable form of agriculture there. This study explores the relation between traditional farming and organic farming and the benefits of state-induced organic farming methods and their effects on the farmers of Nagaland. A survey was carried out in the Mokokchung district of Nagaland to understand the role of farmers in attaining sustainability.


2021 ◽  
pp. 133-159
Author(s):  
Hanuman Prasad Parewa ◽  
Neeshu Joshi ◽  
Vijay Singh Meena ◽  
Shourabh Joshi ◽  
Anirudh Choudhary ◽  
...  
Keyword(s):  

2019 ◽  
Vol 11 (21) ◽  
pp. 6029 ◽  
Author(s):  
Guiomar Carranza-Gallego ◽  
Gloria I. Guzmán ◽  
Roberto Garcia-Ruíz ◽  
Manuel González de Molina ◽  
Eduardo Aguilera

Wheat yields are predicted to decrease over the next decades due to climate change (CC). Mediterranean regions are characterized by low soil fertility and stressful conditions that limit the effect of technological improvements on increasing yield gains, while worsening the negative CC impacts. Additionally, organic farming (OF) lacks specifically adapted genetic material. Accordingly, there is a need to search for varieties adapted to these conditions and whose cultivation may help semi-arid agroecosystems sustainability, focusing on specific agronomic and functional traits. To this purpose, wheat landraces and modern wheat varieties were evaluated under Mediterranean rainfed conditions during three growing seasons under contrasting situations: A conventional farm and an organic farm. Results regarding straw production, weed biomass and biodiversity, and grain N concentration suggest that the cultivation of landraces under Mediterranean rainfed conditions can enhance agroecosystem sustainability through positive effects on ecosystem services such as soil quality, functional biodiversity, or grain protein content, without significant reductions in grain yield. Results highlight the relevant role of wheat landraces as genetic resources for the development of cultivars adapted to Mediterranean agroecosystems conditions, especially for organic farming, but also for conventional agriculture.


2015 ◽  
Vol 5 (3) ◽  
pp. 235-243 ◽  
Author(s):  
Elena Favilli ◽  
Adanella Rossi ◽  
Gianluca Brunori

2020 ◽  
Vol 8 (1) ◽  
pp. 3
Author(s):  
Ying-Ning Zou ◽  
Bo Shu ◽  
Qiang-Sheng Wu

2015 ◽  
Vol 83 ◽  
pp. 227-232 ◽  
Author(s):  
Riccardo Testa ◽  
Mario Foderà ◽  
Anna Maria Di Trapani ◽  
Salvatore Tudisca ◽  
Filippo Sgroi

2016 ◽  
Vol 20 ◽  
pp. 79-83 ◽  
Author(s):  
Haishui Yang ◽  
Jianglai Xu ◽  
Yi Guo ◽  
Roger T. Koide ◽  
Yajun Dai ◽  
...  

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